FIG. 1 is a front view of a display screen or portion thereof with transitional graphical user interface showing a first image of the claimed design;
FIG. 2 is a second image thereof;
FIG. 3 is a third image thereof;
FIG. 4 is a fourth image thereof;
FIG. 5 is a fifth image thereof;
FIG. 6 is a sixth image thereof;
FIG. 7 is a seventh image thereof;
FIG. 8 is an eighth image thereof;
FIG. 9 is a ninth image thereof;
FIG. 10 is a tenth image thereof;
FIG. 11 is an eleventh image thereof;
FIG. 12 is a twelfth image thereof;
FIG. 13 is a thirteenth image thereof;
FIG. 14 is a fourteenth image thereof;
FIG. 15 is a fifteenth image thereof;
FIG. 16 is a sixteenth image thereof;
FIG. 17 is a seventeenth image thereof; and,
FIG. 18 is an eighteenth image thereof.
The broken lines in the figures forming a rectangle show a display screen or portion thereof, and form no part of the claimed design. The broken lines in the figures forming a circle or variation thereof form no part of the claimed design.
The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-18. The process or period in which one image transitions to another forms no part of the claimed design.